Sign Regulations in Baltimore County, MD (2026)
4 rules for unincorporated Baltimore County, Maryland.
Verified from official government sources
Political Signs
Baltimore County lists political campaign signs as Class 14 in its Table of Sign Regulations: temporary signs allowed in all zones with no permit, capped at 8 square feet in most zones and 50 square feet in OR-1 and the other zones the table names. No sign can sit in a right-of-way, and it needs the express permission of the owner on private property. The 45-day and seven-day timing rules in § 450.7.F are enjoined by a federal court.
Political Campaign Signs in Baltimore County, MD
Some RestrictionsBCZR § 450.7.F; Table of Sign Regulations, Class 14 (Political Campaign)
14. POLITICAL CAMPAIGN , meaning a temporary sign displaying information about an electoral issue or a candidate for public office Wall-mounted; freestanding; banner All zones, but may not be placed in a right-of-way and may not be placed on private property without the express permission of the owner None 50 square feet in OR-1, ... 8 square feet in any other zone, except 50 square feet is per...
Garage Sale Signs
Baltimore County permits a homeowner two garage or yard sales per year as an accessory use, each no longer than a weekend. Sale signs may not be placed in the public right-of-way, and no other exhibitors may sell items on the property.
Garage Sales: Twice a Year, No Right-of-Way Signs
Some RestrictionsBaltimore County Zoning Policy Manual, A-22 (BCZR § 101)
A private home owner/resident is permitted to have two private garage or yard sale per year as an accessory use to the dwelling in a residential zone, provided: 1. that the sale would not be longer than a weekend at one time 2. that there are no other exhibitors of sale items on the property other than the owner/resident.
Digital Billboards
Baltimore County bans video and digital display on outdoor advertising signs outright under BCZR § 450.7.C.7. The only rotating-message billboard the county allows is the mechanical tri-vision format, capped at seven signs countywide, and even that format cannot rotate faster than once every ten seconds.
Baltimore County Bans Digital Billboards, Allows Tri-Vision
Heavy RestrictionsBCZR § 450.7.C.6-7 (Outdoor advertising signs; tri-vision)
6. Outdoor advertising signs with tri-vision may be erected, subject to the following limitations: a. An outdoor advertising sign with tri-vision may not be erected until after the removal of: (1) Two lawfully erected outdoor advertising signs; or (2) Legally nonconforming on-premises signs equal to twice the area of the tri-vision sign. [...] c. There shall be a maximum of seven outdoor advert...
Window Signs
Baltimore County caps an interior enterprise window sign at 3 square feet and no more than three per front-facade window or door under the Table of Sign Regulations and BCZR § 450.5.B.10. The sign must be mounted on the interior of the structure; a sign attached to the outside of the glass is treated as a wall sign instead.
Enterprise Window Sign Limits in Baltimore County
Some RestrictionsBCZR § 450.5.B.10; Table of Sign Regulations, Class 1 (Enterprise window sign)
10.Enterprise window sign: An enterprise sign mounted on the interior of an enclosed structure that is visible from the exterior of the structure. A sign applied or attached to the exterior of a window is considered to be a wall-mounted sign as covered by Section 450.5.B.9. ... Enterprise window sign — Any enterprise sign mounted on the interior of an enclosed structure that is visible from the...
All Baltimore County ordinances
See every category we cover for Baltimore County: parking, noise, fences, fires, animals, pools, and more.
Baltimore County Ordinance Hub →